The purpose of this legislation is to allow the leasing of mineral deposits located within the City of Carlsbad, New Mexico. This is significant because it provides a legal framework for the federal government to lease these mineral resources, which can lead to economic development and resource management in the area. The key provisions of the legislation include the ability for the Secretary of the Interior to lease certain mineral deposits found on federal or acquired lands within Carlsbad, provided that the City of Carlsbad gives written consent.